7b-6=21+2b-2

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Solution for 7b-6=21+2b-2 equation: 



7b-6=21+2b-2

We move all terms to the left:

7b-6-(21+2b-2)=0

We add all the numbers together, and all the variables

7b-(2b+19)-6=0

We get rid of parentheses

7b-2b-19-6=0

We add all the numbers together, and all the variables

5b-25=0

We move all terms containing b to the left, all other terms to the right

5b=25

b=25/5

b=5

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